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Finding the Fourth Proportional to 6,382.94, 9,574.42 and 2,000.74

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Solution

The fourth proportional to 6,382.94, 9,574.42 and 2,000.74 is: 3,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.94 : 9,574.42 = 2,000.74 : x
  2. Step 2: Convert to fraction form
    6,382.94/9,574.42 = 2,000.74/x
  3. Step 3: Cross multiply
    6,382.94x = 9,574.42 × 2,000.74
  4. Step 4: Simplify right side
    6,382.94x = 19,155,944.76
  5. Step 5: Solve for x
    x = 19,155,944.76/6,382.94
  6. Step 6: Final answer
    x = 3,001.11

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.